Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles667
20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
Routing & Switching

Cisco 3850 Upgrade IOS (Includes Stacking)

Step 1 – Copy the new image to the 3850...
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Laptops & DesktopsSecurity

Quick way to host files using Kali

Sometimes when your in Kali you want a quick and easy way to share files.  One of the ways I...
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Security

Blocklists of Suspected Malicious IPs and URLs

Laptops & DesktopsSecurityServers

Kali Linux RPi3 Boot to CLI

Get the current session type, cli or lightdm+xfce: systemctl get-default Set the cli by disabling lightdm autostart: systemctl set-default multi-user.target...
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Security

Amazon AWS Cisco ASA Config

A High-Level View of the Customer Gateway The following diagram shows the general details of your customer gateway. Note that...
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Security

Cisco ASA VPN Filters

ACL looks like this: access-list VPN-FILTER permit {remote-IP} [remote-Port] {local-IP} [local-Port] Examples: LOCAL:              ...
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Security

Free Online Tools for Looking up Potentially Malicious Websites

Laptops & DesktopsSecurityServers

Changing the MAC Address on a Kali Box

First look at the MAC Address for your device (there are many ways): ifconfig | grep ether or cat /sys/class/net/*/address...
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Security

Palo Alto CLI Troubleshooting

Laptops & DesktopsSecurity

Palo Alto Ignore List and the Windows Run-As Command

You may run across a time when Window’s service accounts come across your Palo Alto FW taking over the logged...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Microsoft IIS Microsoft SQL Microsoft Windows Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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